Studies on the effects of moisture and ageing on charge de-trapping properties of oil-impregnated pressboard based on IRC measurement by Nasirul Haque, Sovan Dalai, Biswendu Chatterjee, Sivaji Chakravorti

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Ageing of DC conduction in thermally aged oil‐impregnated pressboard by Nasirul Haque, Sovan Dalai, Biswendu Chatterjee, Sivaji Chakravorti

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Application of Cole–Cole model to transformer oil-paper insulation considering distributed dielectric relaxation by Sandip Kumar Ojha, Prithwiraj Purkait, Biswendu Chatterjee, Sivaji Chakravorti

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Method for identifying ageing in epoxy-mica composite insulation used in rotational machines through modelling of dielectric relaxation by Nikhil Mondal, Nasirul Haque, Sovan Dalai, Sivaji Chakravorti, Biswendu Chatterjee

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Estimation of de-trapped charge for diagnosis of transformer insulation using short-duration polarisation current employing detrended fluctuation analysis by Saurabh Dutta, Deepak Mishra, Deepak Mishra, Arijit Baral, Sivaji Chakravorti

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